Someone is ringing the doorbell. Go and see .
Unluckily, my sister had her cellphone ______ in Guangzhou before she could find a job.
No one knows ______effects the GM material might have on the food chain.
With drink and food ____, the prisoner had to walk out of the cave where he was hiding.
Not ______that is best for nature is good for people. A anything B nothing C something D everything
The bell __ the end of the period rang, __our heated discussion.